Segment Disclosure - Revenues Related to Operations by Geographic Areas (Detail) - USD ($) $ in Thousands	3 Months Ended
	Jan. 31, 2016	Jan. 31, 2015
Revenues from External Customers and Long-Lived Assets [Line Items]
Consolidated	$ 568,604	$ 542,043
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Consolidated	274,930	277,587
Europe
Revenues from External Customers and Long-Lived Assets [Line Items]
Consolidated	71,935	71,883
Japan
Revenues from External Customers and Long-Lived Assets [Line Items]
Consolidated	53,246	60,852
Asia-Pacific and Other
Revenues from External Customers and Long-Lived Assets [Line Items]
Consolidated	$ 168,493	$ 131,721